Anchoring expansible fastener

Static structures (e.g. – buildings) – Assembled in situ-type anchor or tie – Socket type

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Details

405259, 405261, 411 44, E04B 149, E21D 200, F16B 1306

Patent

active

044753292

ABSTRACT:
An expansible fastener for anchoring in a hole provided in a support structure. The fastener includes an expansible cylindrical anchor formed with an expansible slotted portion and having a central bore started in the cylindrical portion of the anchor and projecting through the slotted portion up to the leading end of the anchor, and an expander pin having a cylindrical shank and an expander cone. The bore is filled with a bonding agent. The expander pin resting against the base of the enlarged portion provided in the hole of the support structure if driven into the central bore of the expansible anchor so that the aforementioned shank is received in the bore and the expander pin is connected to the anchor by the bonding agent.

REFERENCES:
patent: 3298144 (1967-01-01), Fischer
patent: 3308585 (1967-03-01), Fischer
patent: 3332312 (1967-07-01), Bixby
patent: 3472301 (1969-10-01), Pearce, Jr.
patent: 3958488 (1976-05-01), Fischer
patent: 3999786 (1976-12-01), Powondra
patent: 4270331 (1981-06-01), Lang

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